The Polar M430 GPS running watch measures your heart rate easily, precisely, and reliably at the wrist. Track speed, distance, and elevation with the built-in GPS. When running indoors, the Polar M430 measures speed and distance based on the movements of your wrist.

The Polar Fitness Test assesses your fitness level anytime and anywhere through wrist-based heart rate measurement—no straps are needed. Get a personalized and adaptive training plan tailored to you and your goals.

Smart Coaching Features: Fitness Test with wrist heart rate measurement, running training program, Running Index (shows how your running performance is developing), training load, recovery status, training benefit, Smart Calories, Activity Guide, Activity Benefit, Sleep Plus (automatically detects the time, duration, and quality of your sleep).